National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

72°F

22°C

Humidity 94%
Wind Speed Calm
Barometer 30.05 in (1017.0 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 15 Jul 1:53 am CDT
Extended Forecast for

3 Miles NW Windsor IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 9am. Partly sunny, with a high near 85. Calm wind becoming south 5 to 7 mph in the morning.

    High: 85 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Light south wind.

    Low: 71 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 89. Southwest wind 3 to 6 mph.

    High: 89 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 72. South southwest wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. West southwest wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Partly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 66. Light and variable wind. Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82.

    High: 82 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 69.

    Low: 69 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 70. Calm wind.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 9am. Partly sunny, with a high near 85. Calm wind becoming south 5 to 7 mph in the morning.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Light south wind.
Wednesday
Mostly sunny, with a high near 89. Southwest wind 3 to 6 mph.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. South southwest wind 3 to 5 mph. Chance of precipitation is 30%.
Thursday
Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. West southwest wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 66. Light and variable wind. Chance of precipitation is 40%.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82.
Friday Night
Mostly cloudy, with a low around 69.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 87.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Windsor IL
 39.48°N 88.65°W (Elev. 650 ft)
Last Update:
1:56 am CDT Jul 15, 2025
Forecast Valid:
2am CDT Jul 15, 2025-6pm CDT Jul 21, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation